// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <lib/sys/cpp/component_context.h>

#include "base/command_line.h"
#include "base/fuchsia/file_utils.h"
#include "base/fuchsia/process_context.h"
#include "base/fuchsia/scoped_service_binding.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_executor.h"
#include "fuchsia/base/fuchsia_dir_scheme.h"
#include "fuchsia/base/init_logging.h"
#include "fuchsia/base/inspect.h"
#include "fuchsia/runners/buildflags.h"
#include "fuchsia/runners/common/web_content_runner.h"

namespace {

fuchsia::web::CreateContextParams GetContextParams() {
  fuchsia::web::CreateContextParams create_context_params;
  create_context_params.set_features(
      fuchsia::web::ContextFeatureFlags::NETWORK |
      fuchsia::web::ContextFeatureFlags::AUDIO |
      fuchsia::web::ContextFeatureFlags::VULKAN |
      fuchsia::web::ContextFeatureFlags::HARDWARE_VIDEO_DECODER |
      fuchsia::web::ContextFeatureFlags::WIDEVINE_CDM);

  create_context_params.set_service_directory(base::fuchsia::OpenDirectory(
      base::FilePath(base::fuchsia::kServiceDirectoryPath)));
  CHECK(create_context_params.service_directory());

  create_context_params.set_data_directory(base::fuchsia::OpenDirectory(
      base::FilePath(base::fuchsia::kPersistedDataDirectoryPath)));
  CHECK(create_context_params.data_directory());

#if BUILDFLAG(WEB_RUNNER_REMOTE_DEBUGGING_PORT) != 0
  create_context_params.set_remote_debugging_port(
      BUILDFLAG(WEB_RUNNER_REMOTE_DEBUGGING_PORT));
#endif
  return create_context_params;
}

}  // namespace

int main(int argc, char** argv) {
  base::SingleThreadTaskExecutor io_task_executor(base::MessagePumpType::IO);
  base::RunLoop run_loop;

  base::CommandLine::Init(argc, argv);
  CHECK(cr_fuchsia::InitLoggingFromCommandLine(
      *base::CommandLine::ForCurrentProcess()))
      << "Failed to initialize logging.";

  cr_fuchsia::RegisterFuchsiaDirScheme();

  WebContentRunner::GetContextParamsCallback get_context_params_callback =
      base::BindRepeating(&GetContextParams);

  WebContentRunner runner(std::move(get_context_params_callback));
  base::fuchsia::ScopedServiceBinding<fuchsia::sys::Runner> binding(
      base::ComponentContextForProcess()->outgoing().get(), &runner);

  base::ComponentContextForProcess()->outgoing()->ServeFromStartupInfo();

  // Publish version information for this component to Inspect.
  cr_fuchsia::PublishVersionInfoToInspect(base::ComponentInspectorForProcess());

  // Run until there are no Components, or the last service client channel is
  // closed.
  // TODO(https://crbug.com/952560): Implement Components v2 graceful exit.
  run_loop.Run();

  return 0;
}